... -casted by 306 stainless steel withlight structure, the inner and outer is polished with beautiful appearance.2, The products ... the corrosion of strong acid, strongalkali, salt, ammonia, chlorine, and have function of water-proof, dust-proof,anticorrosion grade WF2 ... . the seals adopt siliconrubber, which can withstand oil, acid, high temperature.4, Installment methods are versatile, the lamp cover is ...